Chemistry, asked by sumaiya3286, 11 months ago

How many moles of hcl must be added to 25.0 ml of a solution of na2a (0.3 m) to obtain a solution of ph = 4?

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Answered by Anonymous

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the normality of a solution obtained by mixing 200 ml of 0.1M HCl ... So remaining acid is 20–10 = 10Nml in 100ml of solution.

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